The utility model relates to the technical field of harmful
insect traps, in particular to a
monochamus alternatus trapper with a collecting
barrel convenient to replace or clean, which comprises a rain-proof top cover, a first structural plate, a second structural plate, a biological lure, a guide funnel, a collecting connecting seat and a collecting
bottle. A first structural plate is arranged at the bottom of the rain shielding top cover, a second structural plate is arranged on one side of the first structural plate, the first structural plate and the second structural plate are embedded into each other to form a cross plate, a guide funnel is hung at the bottom of the cross plate, a collection connecting seat is hung at the bottom of the guide funnel, and a collection
bottle is arranged at the bottom of the collection connecting seat. The collecting
bottle is in threaded connection with the collecting connecting seat; according to the
monochamus alternatus corpse collecting device, the guiding funnel and the collecting connecting base of the device are connected with the device body in a hanging mode in a hanging mode, parts can be rapidly taken down to be cleaned when needed, the second opening is formed in the bottom of the collecting bottle, corpses of
monochamus alternatus can be rapidly cleaned, and the practical value of the device is increased.